Static task
static1
Behavioral task
behavioral1
Sample
Culo.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
Culo.exe
Resource
win10v2004-20240802-en
General
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Target
bc8ed69a51fa656a86b480d4c9f60e40_JaffaCakes118
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Size
95KB
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MD5
bc8ed69a51fa656a86b480d4c9f60e40
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SHA1
0c6787d228091bb236b98bf8d43811ab97b139da
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SHA256
8bb8495d419a8ff62130da67c41b7446f73aaa47c672c0df13af138a37a2be74
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SHA512
e7a20e8ef360d0b143b9dba55785be3342c842b7c300328a7e8e527b4ed69c9bd6d589ab5450636e2a58211f393075068db47b7d3f88b3cca4de422e10b6940c
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SSDEEP
1536:/Fjols9p/3QBxuVhgB3jyRG4uiaLewg7WLGGM+pR1Iioqlu/0RolDuuMttkEqzRx:ey9p/grGKB3C0ewQWLGGMEUqG0RMKeRx
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/Culo.exe
Files
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bc8ed69a51fa656a86b480d4c9f60e40_JaffaCakes118.zip
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Culo.exe.exe windows:4 windows x86 arch:x86
428ecb5fc725480867c55028814a2812
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
msvbvm50
_CIcos
_adj_fptan
__vbaVarMove
__vbaFreeVar
__vbaFreeVarList
__vbaEnd
_adj_fdiv_m64
__vbaFreeObjList
_adj_fprem1
__vbaHresultCheckObj
_adj_fdiv_m32
__vbaVarForInit
ord593
ord594
__vbaObjSet
_adj_fdiv_m16i
_adj_fdivr_m16i
_CIsin
__vbaChkstk
EVENT_SINK_AddRef
__vbaStrR4
_adj_fpatan
EVENT_SINK_Release
ord600
_CIsqrt
EVENT_SINK_QueryInterface
__vbaExceptHandler
_adj_fprem
_adj_fdivr_m64
__vbaFPException
ord535
__vbaI2Var
_CIlog
__vbaNew2
_adj_fdiv_m32i
_adj_fdivr_m32i
__vbaFreeStrList
_adj_fdivr_m32
_adj_fdiv_r
ord100
__vbaVarDup
_CIatan
__vbaStrMove
ord618
_allmul
_CItan
__vbaFPInt
__vbaVarForNext
_CIexp
__vbaFreeObj
ord581
Sections
.text Size: 103KB - Virtual size: 103KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 958B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ